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Corrosion Behaviors of Ultra-high Strength Steel 40CrNi2Si2MoVA in Submerged Zone of Simulated Seawater

  • Mei Yu*
  • , Jin Yu Qi
  • , Jian Hua Liu
  • , Song Mei Li
  • , Yu Jing Sun
  • *Corresponding author for this work
  • Beihang University
  • State Intellectual Property Office of the Peoples Republic of China

Research output: Contribution to journalArticlepeer-review

Abstract

The corrosion behaviors of ultra-high strength steel 40CrNi2Si2MoVA in submerged zone of simulated seawater were investigated by full immersion tests. The morphology of corrosion products was observed by SEM Electrochemical property was tested by polarization curves. The results showed that the corrosion process began with pit corrosion, the corrosion area increased and the uniform corrosion formed with the increase of corrosion time. The corrosion potential decreased and the corrosion current increased with the corrosion time.

Original languageEnglish
Pages (from-to)779-784
Number of pages6
JournalCorrosion and Protection
Volume32
Issue number10
StatePublished - 2011

Keywords

  • polarization curve
  • simulated seawater
  • submerged zone
  • ultrahigh-strength steel

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